Home / 8,339.11-12,507.59-3,144.31

Finding the Fourth Proportional to 8,339.11, 12,507.59 and 3,144.31

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Solution

The fourth proportional to 8,339.11, 12,507.59 and 3,144.31 is: 4,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.11 : 12,507.59 = 3,144.31 : x
  2. Step 2: Convert to fraction form
    8,339.11/12,507.59 = 3,144.31/x
  3. Step 3: Cross multiply
    8,339.11x = 12,507.59 × 3,144.31
  4. Step 4: Simplify right side
    8,339.11x = 39,327,767.65
  5. Step 5: Solve for x
    x = 39,327,767.65/8,339.11
  6. Step 6: Final answer
    x = 4,716.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.